Pin Number |
Pin Name |
Direction | Description |
---|---|---|---|
1 | GND | --- | Ground |
2 | TX | --> | Data Transmission |
3 | MBUS | <--> | Control bus |
4 | RX | <-- | Data Receiver |
A | Vbat | Voltage source | |
B | is battery type Li ion 74.5kohm to ground. NiMh 35Kohm to ground. | ||
C | BSI | battery thermistor. 25K to 40K | |
D | Gnd | --- | Ground |
Someone suggested another pinout for Nokia 3310: 1=MBUS; 2=GND; 3=RX; 4=TX